- hardly a day几乎一天
- a bad applen. 坏蛋;
- at this time of year在（一年的）这个时节里;
- at the drop of a hat毫不迟疑地，一有机会就;动不动;
- at onceadv.立即;一起;同时;立刻;
- at a time依次， 逐一， 每次;
- at a stroke一下子;
- at a stretchadv.一口气地;一气;
- at a standstill停止，停顿;
- at a speed of以…的速度;
- at a runadv.跑着;
- at a rate of以…速度;
- at a price以相当高的价格;
- at a premium非常珍贵， 非常需要， 渴求;
- at a pinch必要时，如果有必要;
- at a low ebbadv.衰败;
- At a low在低谷
- at a loss不知所措;亏本;困惑;神思恍惚;
- at a loose endadv.闲着;没有事做;闲散;
- at a guess猜一下，粗略估计;
- 双语例句
1、
Interest is calculated daily and credited once a year, on 1 April.
利息按天计算，每年4月1日一次性打入账户。
柯林斯例句
2、
The external auditors come in once a year.
外聘审计员每年来一次.
《简明英汉词典》
3、
The house has an absentee landlord , who visits the property once a year.
这栋房子的房主不在这儿住, 一年过来一次.
《简明英汉词典》
4、
About two-thirds of adults consult their doctor at least once a year.
约有2/3的成年人至少每年就医一次。
辞典例句
5、
The Public Utilities Commission inspects us once a year.
公共事业委员会每年到我们这里视察一次。
——柯林斯例句
6、
We hang the walls with wallpaper once a year.
我们每年贴一次壁纸.
《简明英汉词典》
7、
We will re - examine the NIH guidelines at least once a year.
每年我们至少重新检查一次NIH标准.
辞典例句
8、
All the members of the family get together once a year.
全家成员每年团聚一次.
《简明英汉词典》
9、
In the old days we got a visit from the vet maybe once a year.
以前，兽医大概每年来我们这里出诊一次。
柯林斯例句
10、
The farmers here sow once a year.
这里的农民一年播一次种子.
辞典例句
11、
Once a year they have to flush the city's sewers.
每年,他们都得冲洗一次城市下水道.
辞典例句
12、
The Moon reaches its absolute perigee once a year.
月球每年有一次达到它的绝对近地点.
辞典例句
13、
Serpents cast their skin once a year.
蛇每年蜕一次皮.
《现代汉英综合大词典》
14、
Once a year a race is held for old cars.
每年举行一次旧汽车比赛.
《用法词典》
15、
Of course, I'll visit at least once a year, maybe more.
当然, 我最少每年会来拜访一次, 也许更多次.
辞典例句
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